<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>两栏布局</title>
</head>
<body>
    <!-- 管理系统 左侧侧板蓝 右侧我们内容 -->
    <div class="container">
        <div class="left">left</div>
        <div class="right">rightrightrightrightrightrightrightrightrightrightright</div>
    </div>
</body>
</html>
<style lang="scss">
    .container {
        display: flex;
    }
    .left{
        width: 200px;
        background-color: salmon;
        height: 100vh;
    };
    .right{
        flex: 1;
        width: 100%;
        background-color: skyblue;
        height: 100vh;
    }
</style>